Lab Test

Zinc, RBC

Test Codes

Warde: ZNRBC, EPIC: LAB6452, Beaker: XZNCR

Specimen Collection Criteria

Collect: One Royal Blue-top EDTA tube.

Also acceptable: One lavender-EDTA tube.

Physician Office/Draw Specimen Preparation

Centrifuge to separate red blood cells from plasma within 2 hours of collection. Transfer red blood cells to a metal free plastic transport tube and refrigerate (2-8°C or 36-46°F). Discard the plasma.

Preparation for Courier Transport

Transport: 0.5 mL red blood cells, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Rejection Criteria

Frozen specimens.

Specimens not collected and processed as indicated. 

In-Lab Processing

Centrifuge to separate red blood cells from plasma within 2 hours of collection. Transfer red blood cells to a metal free plastic transport tube and refrigerate (2-8°C or 36-46°F). Discard the plasma.

Transport: 0.5 mL red blood cells, refrigerated (2-8°C or 36-46°F). (Minimum: 0.3 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 7 days
Refrigerated (2-8°C or 36-46°F): 7 days
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.

Laboratory

Sent to Warde Medical Laboratory, Ann Arbor, MI. Forwarded to Quest Diagnostics Nichols Institute of Valencia, Valencia, CA.

Performed

Tuesday – Saturday.
Results available in 5-7 days.

Reference Range

9 –14.7 mg/L.

Test Methodology

Inductively Coupled Plasma/Mass Spectrometry.

CPT Codes

84630

Contacts

Last Updated

12/24/2020

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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.